A Citrix Engineer could use __________ to enable high availability for XenDesktop site databases. (Choose thecorrect option to complete the sentence.)

A.
SQL Server 2008 SP2 Cluster

B.
SQL Server 2012 SP1 Express

C.
SQL Server 2012 SP1 with Replication

D.
SQL Server 2008 R2 SP2 with Mirroring